package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.constants.user.UserRelationConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.dtos.ArticleBehaviorDTO;
import com.heima.model.user.pojos.ApCollection;
import com.heima.model.user.pojos.ApUnlikesBehavior;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;


@Service
@Slf4j
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    private RedisTemplate<String,String> redisTemplate;
    @Autowired
    private MongoTemplate mongoTemplate;
    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
        // 1. 判断用户是否登录
        boolean isfollow = false, islike = false, isunlike = false, iscollection = false;
        ApUser user = AppThreadLocalUtils.getUser();
        // 2. 未登录 直接将 4种行为 均返回false
        //3. 如果登录
        // 4. 查询行为实体
        if (user != null) {
            ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
            if (behaviorEntry == null) {
                CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
            }
            Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
            // 5. 根据行为实体 文章ID查询 是否喜欢
            ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
            if (apLikesBehavior == null) {
                islike = true;
            }
            // 6. 根据行为实体 文章ID查询 是否不喜欢
            ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
            if (apUnlikesBehavior == null) {
                isunlike = false;
            }
            // 7. 根据行为实体 文章ID查询 是否收藏
            ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
            if (apCollection == null) {
                iscollection = false;
            }
            // 8. 根据登录用户id 去redis中查询是否关注该作者
            Double score = redisTemplate.opsForZSet().score(UserRelationConstants.FOLLOW_LIST + user.getId(),dto.getAuthorApUserId().toString());
            if (score !=null){
                isfollow = true;
            }

        }

       // 9. 封装结果 返回
        Map<String, Object> resultMap = new HashMap<>();
        resultMap.put("isfollow",isfollow);
        resultMap.put("isunlike",isunlike);
        resultMap.put("iscollection", iscollection);
        resultMap.put(" islike", islike);

        return ResponseResult.okResult(resultMap);
    }
}
